Human Circulation

What are the top chambers of the heart called?

• ventricles

• atria

• arteries

• veins

What are the bottom chambers of the heart called?

• arteries

• capillaries

• atrium

• ventricles

Why does blood need to go to the lungs?

• to get carbon dioxide

• to get oxygen

• to get nitrogen

• to get hydrogen

What organ system is most involved in the transport of oxygen?

• circulatory

• nervous

• digestive

• endocrine

What do you call circulation to and from the lungs?

• somatic circulation

• automatic circulation

• pulmonary circulation

Veins are blood vessels that carry

• blood to the heart

• blood away from the heart

• no blood

A pulse can be deteced in

• a vein

• a capillary

• an artery

Which statement best describes arteries?

• They are thick blood vessels which carry blood away from the heart.

• They are thin blood vessels which allow for gas exchange.

• They are thin blood vessels that carry blood toward the heart.

Nutrients, oxygen, and wastes are exchanged between the blood at tiny blood vessels called.

• arteries

• capillaries

• veins

• the heart

Oxygen transport in humans involves the bonding of oxygen with

• white blood cells

• platelets

• hemoglobin